Colon polyps are growths on the lining of your colon and rectum. Most polyps are not cancerous, but some may develop into cancer over time. Removing polyps can help prevent colorectal cancer. Most people with colon polyps don’t have symptoms. Experts aren’t sure what causes colon polyps. Research suggests that certain factors, such as age and family history, can increase your chances of developing colon polyps.

https://www.niddk.nih.gov/health-information/digestive-diseases/colon-polyps